-20.09% is the change from 921 to 736
Calculation steps:
[( 736 - 921 ) ÷ 921] x 100 = -20.09%
Formula
Percentage change = [(736 - 921) / 921] x 100
Subtract the new number by the original number
736 - 921 = -185
-185 ÷ 921 = -0.2008686210640608
-0.2008686210640608 x 100 = -20.09%